Political Novice Poised for Strong Showing in Senate Primary

ATLANTA—A multimillionaire Georgia businessman is poised for a strong showing in Tuesday's Republican Senate primary race by stressing his business acumen over a field of longtime political officeholders.

David Perdue, a 64-year-old former chief executive of Dollar General Corp., is Republican voters' leading candidate, according to a recent survey. Last week's poll by Saint Leo University in Florida showed that of 689 likely...